Cayin HA-1AMK2 Headphone Amplifier
Cayin HA-1AMK2 Amp Tube Hifi High Impedance Amplifier Tube CD/AUX Headphone Output Pre-stage Output 65W 32 Ohm-600 Ohm
Output level: 2V (MAX 4V) Sensitivity: 420mV Signal to noise ratio: 100dB (A weighting) Frequency response: 10Hz-42kHz±3dB Harmonic distortion: 0.5%